نتایج جستجو برای: alpha univex

تعداد نتایج: 202045  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مازندران - دانشکده ریاضی 1393

در این پایان نامه، مفهوم تقارن در فضا-زمان ریمانی و فینسلری بحث شده و درباره ی نسبیت و حرکت شناسی متری های فینسلری مطالبی عنوان شده است. در زمینه ی تقارن ها به بیان انواع تقارن های کیلینگ، نوتری، همدیس پرداختیم و با بیان مثال های متعدد به محاسبه ی تقارن های کیلینگ و نوتری و همچنین قوانین بقا برای نوع خاصی از فضا-زمان ‎(2+1)‎- بعدی اقدام نموده ایم. سپس مفهوم کنج لخت در چارچوب هندسه ی ت...

Journal: :hepatitis monthly 0
maissa el raziky department of endemic medicine and hepatology, cairo university, cairo, egypt waleed fouad fathalah department of endemic medicine and hepatology, cairo university, cairo, egypt; department of endemic and hepatology, cairo university, cairo, egypt , +20-233444921 wafaa ahmed el-akel department of endemic medicine and hepatology, cairo university, cairo, egypt ahmed salama department of endemic medicine and hepatology, cairo university, cairo, egypt gamal esmat department of endemic medicine and hepatology, cairo university, cairo, egypt mahassen mabrouk department of endemic medicine and hepatology, cairo university, cairo, egypt

background egypt has one of the highest (16-8%) prevalence rates of hcv infection in the world. approximately 90% of egyptian hcv isolates belong to a single subtype (4a), which responds less successfully to interferon therapy than other subtypes. studies comparing the efficacy and safety of pegifn alfa-2a and pegifn alfa-2b in treatment-naive hcv-infected patients have shown conflicting result...

AZIZA KHANAM, GHAZALA HAFEEZ RIZWANI, MOHAMMED TARIQ AFTAB, SALEHA HAIDER,

Serum alpha-tocopherol of98(62 male and 36 female) cancer patients and 30 (13 male and 17 female) control healthy subjects was investigated. The cancer patients showed a significantly low level of alpha-tocopherol as compared to control healthy subjects. Also, significantly higher levels of serum alpha-tocopherol were found in complete remission patients as compared to the partial response...

Journal: :Proceedings of the American Mathematical Society 1993

Behnaz Almasi Mohammad M. Hashemi

Addition of Potassium cyanide to a mixture of Schiff base and lithium perchlorate afforded a-aminonitriles in high yields. Addition of potassium cyanide to a methanolic solution of Schiff base and phosphoric acid afforded a-aminonitriles. When the reaction mixture was refluxed it gave a-amino acids in high yields.

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